TM-9-2350-277-20-4 Unit Maintenance Manual Volume 4 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-4 REPLACE COMMANDER’S SEAT AND POST (M113A3, M1059A3, AND M58 ONLY) — Continued 0560 00 3. Remove locknut (4), washer (5), screw (6), and post (2) from base (7). Discard locknut. 4. Remove base (7) from hull crossmember. NOTE Do Step 5 for M1059A3 and M58 only. 5. Remove screw (8), lockwasher (9), and nut (10) from post (2). Discard lockwasher. 6. Remove quick-release pin (1) from link (2) and hull top plate brackets. Remove seat and post assembly (3) from carrier. 7. Open both ends of hook (4). Remove from pin (1) and chain (5). 8. Remove tube (6) from chain (5). 9. Open both ends of hook (7). Remove hook from chain (5) and bracket (8). 10. Remove locknut (9), washer (10), bracket (8), link (2), and screw (11) from post (3). Discard locknut. 0560 00-2